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| Criterion |  UX Research Diary Study |  Decision Making Constraint Analysis |  Operations ALPEN Method |
|---|---|---|---|
Purposedifferent | When experiences build up over days or weeks and a single session cannot capture them, Diary Study records the course of everyday life. Recurring triggers, moods, and habits become visible this way, beyond the sharpness of memory. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-4 Wochen | 30-90 min | 10-20 min daily |
Participantsdifferent | 5-20 | 2-8 | 1 |
Formatdifferent | Async | Workshop + async | Async |
Outputdifferent | Diary Entries, Longitudinal Patterns, Experience Timeline | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | UX researchTrackingBehavior | ConstraintsDecisionPlanningOptions | PlanningTime managementProductivityOperations |
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